[Q]: Determine the topic of the passage. "Windows XP was released worldwide for retail sale on October 25, 2001, and over 400 million copies were in use in January 2006." Topic:
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[A]: Windows XP


[Q]: Determine the topic of the passage. "Secretariat (March 30, 1970 – October 4, 1989) was an American Thoroughbred racehorse that in 1973 became the first U.S. Triple Crown champion in 25 years." Topic:
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[A]: Secretariat (horse)


[Q]: Determine the topic of the passage. "Khrushchev's party colleagues removed him from power in 1964, replacing him with Leonid Brezhnev as First Secretary and Alexei Kosygin as Premier." Topic:
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[A]: Nikita Khrushchev


[Q]: Determine the topic of the passage. "Lean manufacturing, lean enterprise, or lean production, often simply, "Lean," is a production practice that considers the expenditure of resources for any goal other than the creation of value for the end customer to be wasteful, and thus a target for elimination." Topic:
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[A]:
Lean manufacturing